Initially tool generates graph of CRAN package dependencies (ignoring suggests, because otherwise graph will be acyclic).
Usage Example:
source("http://www.
biocLite("pkgDepTools")
require('pkgDepTools')
deps <- makeDepGraph("http://cran.r-
a<-getInstallOrder("plyr",
a$packages
[1] "iterators" "itertools" "plyr"